... :2, 3, 4, 6, 9,12Colour:Black, White, Red, Blue, Purple, etc.Elongation:300%Peel Adhesion to Prime Pipe:(ASTM ... to 80 to 100g / m2.2.3 Inner Tape (Anticorrosion Tape) & Outer Tape (Protective Tape) WrappingThe steel pipe that is painted with primer is ... : ISO9001:2008 5. PACKAGING: Covered Tape by Polyethylene sheet,and then loaded to carton. Butyl Rubber Tape for Underground Steel Pipe Sealing